var s = "68550010000a008a0101000000000000330108100000184601f0550000f0550000f0550000c6110000c6110000c6110000f0550000f0550000f0550000c6110000c6110000c611000050c3000070170000409c2b121b0b12a116"

console.log(s)
console.log(s.length/2)